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Everything You Need to Know About Dental Fillings

April 21, 2026

Everything You Need to Know About Dental Fillings: Your Top Questions Answered

Whether it’s a tiny spot found during a routine checkup or a sudden sensitivity to your morning coffee, needing a dental filling is incredibly common. It is the most common dental procedure after a dental cleaning and the most frequently performed restorative procedure in modern dentistry. If you need a dental filling in Sunnyvale, we are here for you!

At Mint Dental Care, we believe that the more you know about your oral health, the more comfortable you’ll feel in the chair. Here are the most frequently asked questions about the world’s most common dental procedure.

1. What exactly is a dental filling?

A filling is used to repair a tooth that has been damaged by decay (a cavity) or wear. To fill the tooth, your dentist removes the decayed portion and replaces the empty space with a durable material. This stops the spread of decay and restores the tooth to its original shape and function.

2. Does getting a filling hurt?

This is the most common question we hear! Thanks to modern techniques and local anesthetics, getting a filling is a virtually painless process.

Our team, led by Dr. Andrew Nguyen and Dr. Michelle Nguyen, practices gentle dentistry. We use advanced numbing techniques and offer a relaxing atmosphere to ensure you barely feel a thing.

3. What materials are used for fillings?

The days of noticeable silver (amalgam) fillings are largely behind us. Today, most patients opt for composite resin fillings. Our office places composite resin fillings for the following reasons:

  • Seamless Look: These are tooth-colored and can be matched to the exact shade of your natural tooth.

  • Durability: They bond directly to the tooth structure, providing excellent support.

  • Safety: Composite fillings are 100% mercury-free.

4. How long does the procedure take?

A standard filling usually takes between 30 to 60 minutes. At Mint Dental Care, we utilize high-tech tools, including intraoral cameras and digital imaging, to make the process as efficient as possible, getting you back to your busy Sunnyvale schedule in no time. Our patients enjoy the option of viewing their images after their procedures.

5. How do I know if I need a filling?

Not all cavities cause pain immediately. Common signs include:

  • Sensitivity to hot, cold, or sweet foods

  • A sharp pain when biting down

  • Visible chalky-white or dark spots or a hole you can feel with your tongue

  • Floss that shreds consistently in one specific spot

Why Choose Mint Dental Care for Your Restorative Care?

If you are looking for a "dentist near me" in the 94085 area, Mint Dental Care combines high-tech precision with a high-touch patient experience.

  • Modern Technology: We use digital X-rays (lower radiation) and intraoral cameras to detect and diagnose decay.

  • Aesthetic Focus: We don't just fix the problem; we make sure your smile looks natural and beautiful.

  • Comprehensive Care: From pediatric sealants to adult restorative work, we handle it all in our Sunnyvale office.

Don’t Wait Until It Hurts

The best time to treat a cavity is when it’s small. If you haven't had a checkup in six months, or if you're experiencing sensitivity, let us take a look.

Contact Mint Dental Care today:

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